Woodland may form a transition to shrubland under drier conditions or during early stages of primary or secondary succession. Higher density areas of trees with a largely closed canopy
.
The woodlands in Northwest Indiana being an example,
This causal agent attacks the phloem and cambium of oaks, allowing beetle and fungi infestation. It has killed millions of tanoaks since it was discovered in the mid-1990s. SOD does not affect white oaks and drier areas like foothill woodlands,
This causal agent attacks the phloem and cambium of oaks, allowing beetle and fungi infestation. It has killed millions of tanoaks
